diff --git a/Formula/imagemagick.rb b/Formula/imagemagick.rb
index 2493c9c54a..61cfa8b7a1 100644
--- a/Formula/imagemagick.rb
+++ b/Formula/imagemagick.rb
@@ -25,6 +25,7 @@ class Imagemagick <Formula
   depends_on 'little-cms' => :optional
   depends_on 'jasper' => :optional
   depends_on 'ghostscript' => :recommended if ghostscript_srsly? and x11?
+  depends_on 'libpng' unless x11?
 
   def skip_clean? path
     path.extname == '.la'